PRODUCT FEATURES
Excellent noise suppression, in case not connected with the input audio, with an ear trumpet can not hear any noise, two channel stereo, 5V power supply and can output 3W+3W power, can directly drive 4 ohm, 8 ohm speakers, large output power, enough energy, good sound quality. Class D digital power board without LC filtering is unique, USB can directly use the computer's power supply. Double panel wiring, and properly solve the crosstalk caused by ground potential wiring balance and inter channel, ultra micro design, can be easily placed in a variety of digital products inside the small space, high amplification efficiency. All adopt the whole plate welding machine, the welding quality can be better than non manual soldering!
Note: the left and right channel output end of the "negative" can not and together, otherwise it will burn IC, and electricity should be first connected speakers (load).
Rated working voltage of 2.5 ~ 5V, the limit voltage 5.5V.
SHIPPING TERMS
1.Ship to whole world : DHL , UPS, FEDEX, EMS, HKPOST, SGPOST,SWPOST
2.Lead time:2days. If we don't have stock at that time, it takes 2-4days to produce it.
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PAYMENT TERMS
1.We accept PAYPAL, TT, WESTERN UNION, ESCROW
2.Commission:
*Paypal: total sum *0.041
*Escrow: total sum *0.05
*TT: $28-$45(according to amount)
*Western union: $0
GUARANTEE PERIOD
3 Months, if the quality have any problems, We have a good after sale
service team will slove the quality problems for you.
1.If you test the products and it doesn't work, pls keep it and send it to us in
1 month, we will send the good one to you with the following order.
2.If the product is already used by you, then no warranty.
3.If the product is broken by man-made, then no warranty.
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Pam8403 Ultra Miniature Digital Power Amplifier Board Class D 2channelsx3w Images
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